Answer:
The two abiotic conditions in the coral reef that contribute to the high biodiversity are:
TemperatureSunlightWhilst the abiotic factors are
Plant and BacteriaExplanation:
The coral reef which covers a space of 115,831 square miles (or 30 million hectares os space) is home to a rich diversity of aquatic life (plants and animals alike). Being the largest coral reef on earth a lot of attention is given to it to ensure that its health and functionality is preserved.
The above factors contribute immensely to the stability and operability of the great reef.
The coral reef abounds with many aquatic animals such as crabs, herbivorous fish, sea turtles, sea urchins etc Many of these feed off microscopic plants such as the phytoplankton (that is tiny plants) and microscopic animals referred to as zooplankton. The zooplankton in turn feed off microscopic plant, bacterioplankton and even other zooplankton.
It is easy to see that at the base of the food chain lies Phytoplankton and bacterioplankton. This group require sunlight to thrive.
The smaller herbivorous fish, crabs, sea turtles and urchins on the other hand, constitute food for larger animals such as sharks, Baracuda etc.
It is also important to note that these microscopic life (plant and animals) require a certain temperature to thrive. If the water body in these eco system were to exceed a certain temperature, it is highly doubtful that they would survive. The death the the plant and animal life at the base of the food chain will completely disrupt the entire biodiversity and may even lead to its extinction.
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explain how meitosis and fertilization produces genetic variation during sexual reproduction
Answer:
Explanation:
Genetic variation is increased by meiosis
During fertilisation, 1 gamete from each parent combines to form a zygote. Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote.
Describe the structural or environmental change of your chosen macromolecule. Then predict the effect this change will have on the macromolecule. Include scientific reasoning that supports your prediction.
Answer:
Choosing protein as macromolecule.
Explanation:
The given environmental changes can lead to structural changes in protein as well:
pH - Several amino acids contain sidechains with practical gatherings that can promptly pick up or lose a proton. Changes in pH would prompt an adjustment in the charge of the amino acids, prompting charge-charge attraction or repilsion between non-interfacing amino parts.
Temperature - High temperatures can prompt protein denaturation. Warmth can upset hydrogen bonding and hydrophobic interactions.
Reduction or oxidation Environment - Some tertiary structure of protein folding is held by disulfide linkages. Reducing agent will lead to unfolding by introducing itself to break disulfide bonds.
Effect of these change: Sequence of amino acid and structure of protein molecule form determines function, any slight change to a protein's structure may result in the protein to become dysfunctional or produce different product.
mitosis A division happens in the next step. Which describes the cells after the next step is complete? A. The cells will have n chromosomes and be diploid. B. The cells will have n chromosomes and be haploid. C. The cells will have 2n chromosomes and be diploid. D. The cells will have 2n chromosomes and be haploid.
Answer:
D. The cells will have 2n chromosomes and be haploid.
Answer:
The cells will have 2n chromosomes and be diploid.
Explanation:
What makes carbon special chemically?
Answer:
Carbon is the only element that can form so many different compounds because each carbon atom can form four chemical bonds to other atoms, and because the carbon atom is just the right, small size to fit in comfortably as parts of very large molecules. Having the atomic number 6, every carbon atom has a total of six electrons.
Explanation:
Where does Most of the carbon dioxide in the ocean come from?
1. the air
2. plants and a Animals
3. all the above
4. large factories and transportation
Question 6 of 10
Look at the picture below.
Which best describes the bond shown?
A. A covalent bond between two molecules
B. An ionic bond between two molecules
C. A covalent bond between two atoms
D. An ionic bond between two atoms
Answer:
This looks like a covalent bond between 2 atoms. Notice that the 2 electrons in the middle are being shared by both atoms, which is a feature of covalent bonds.
Explanation:
So answer should be "C"
Hope this help have a nice day!
The image depicts the sharing of electron between two atoms which form covalent bond. Thus, option C is correct.
What are the types of chemical bond ?The force of attraction between different constituents like atoms, ions which hold them together is called as chemical bonding.
Different types of bonds formed either from the loss or gain or sharing of electrons between two atoms/molecules.
Ionic bonding in which transfer of electrons from one atom or molecule to another there by generation of opposite charges on individual atoms.
The organic compound exhibit covalent bond that is sharing of electrons between atoms. it can be either polar or non-polar in nature.
Polar covalent chemical bond refers to unequal sharing of electrons between more and less electronegative atom. Water is the best example.
Hydrogen bond can be formed between oxygen and hydrogen where hydrogen develops partial positive charge so that electron can come closer to more electronegative atom.
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For the laboratory some students put a strip of shiny metal into a beaker of blue solution and then stored the beaker on a shelf overnight. The next morning , the students recorded observations about the metal and the solution in the box below Based on their observation, can the students correctly conclude that a chemical reaction occurred ?
Answer:
Yes, because a new material of a different color formed on part of the metal strip
Explanation: Good luck!
According to cell theory, which of the following household items would be composed of cells? Select one: television rocks Strawberry pond water
Answer:
Strawberry
Explanation:
The unified cell theory was proposed by three scientists in the 1830's, they are: Mathias Scleiden, Theodor Schwann and Rudolf Virchow. They proposed three components that makes up the widely accepted cell theory. The components are:
1) Cell is the basic and fundamental unit of all living things
2) All living organisms are composed of one or more cells.
3) Cells arise from already existing cells
Based on these components of the cell theory, a STRAWBERRY is the household item that would be composed of cells because it is the only living thing (plant) in the option.
Why do you think that we do not see large single-celled organisms?
what is the charge of a particle of oxygen that contains 8 protons and 8 electrons
Answer:
Neutral
Explanation:
The charge of an oxygen atom is neutral.
The charge should be positive.
The following information should be considered;
In the case when an atom had 8 protons and 8 electrons i.e. oxygen knocking one of the electrons out, makes 8 protons and 7 electrons.The atom now has a net charge of +1 because the 7 electrons cancel the positive charges of 7 of the protons in the nucleus, but there is one remaining proton with a positive charge.Learn more: https://brainly.com/question/10283285?referrer=searchResults
HELPPP MEEEE HELPPP !!!!!!!!!!!!!!!
The answer to the question is A
Can traits of organims be improved? Explain why.
Answer:
Adaptations are physical or behavioral traits that make an organism better suited to its environment. Heritable variation comes from random mutations. ... Rather, a genetic mutation causes a difference in fur color, which may help that rabbit hide better in its environment.
Explanation:
What is nuclear energy? Plz I need help is it:
•Energy from solar panels
•Energy locked in nucleus of an atom
•Energy of moving electrons
•Energy that travels in waves
C
Because Nuclear energy comes from splitting atoms in a reactor to heat water into steam, turn a turbine and generate electricity. Ninety-four nuclear reactors in 28 states generate nearly 20 percent of the nation’s electricity, all without carbon emissions because reactors use uranium, not fossil fuels. These plants are always on: well-operated to avoid interruptions and built to withstand extreme weather, supporting the grid 24/7.
All that power and potential from a tiny atom.
Answer:
B.) Energy locked in the nucleus of an atom.
Explanation:
I did the assignment on Edge, 2022.
(See the attachment below.)
Hope this helped, good luck on the Unit Test! <3
What is the difference between inorganic and organic compounds? A. Organic compounds are beneficial to the environment and inorganic compounds are not. B. Organic compounds contain carbon and inorganic compounds do not. C. Organic compounds contain ionic bonds and inorganic compounds contain covalent bonds. D. Organic compounds are produced naturally and inorganic compounds are human-made.
Answer: B would be the best answer
Explanation: The primary difference that lies between these organic compounds and inorganic compounds is that organic compounds always have a carbon atom while most of the inorganic compounds do not contain the carbon atom in them. Almost all the organic compounds contain the carbon-hydrogen or a simple C-H bond in them.
Option B is the right answer.
Organic compounds contain carbon and inorganic compounds do not.
Organic compounds contain one or more carbon atoms covalently linked to atoms of other elements, most commonly hydrogen, oxygen, or nitrogen. Carbides, carbonates, and cyanides are among the few carbon-containing compounds that are not classified as organic.
Organic compounds have covalently bound carbon, hydrogen, and frequently other elements. In chemistry, an inorganic compound lacks carbon-hydrogen bonds, i.e. is not an organic compound. Inorganic chemistry is a discipline of chemistry that studies inorganic compounds.
The most obvious difference between organic and inorganic substances is that organic compounds are primarily the outcome of the activity of a living being. In contrast, inorganic chemicals are obtained through natural processes unrelated to any of the Earth's life forms.
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name the medium in which plants grow
Soil is the natural medium, also known as nutrient medium.
A scientist wishes to test a new type of adhesive to connect two metals together. He tests his hypothesis that the new adhesive works better than existing treatments by applying the adhesive to the two metals, sticking them together and seeing how long they stick. He performs this test on his new adhesive, records the time and then reports the results. What is missing from his experimental design?
Answer and Explanation:
The scientific method is a research method used to produce knowledge. It consists of systematic observations, measures, experimentation, analysis, and verification of a hypothesis. It is based on two aspects: reproducibility (the capability of reproducing the experiment in any other place by any researcher) and refutability (susceptibility to be refused).
There are different steps to follow in a scientific method:
• Definition and problem statement. The question for which there is not an answer yet.
• Hypothesis formulation.
• Data collection and analysis. This step involves testing the observations.
• Results
• Verification of the hypothesis. This step involves the acceptance or rejection of the working hypothesis.
• Conclusions and Discussion.
In the exposed example:
Let us imagine that the scientist only wants to evaluate the performance of the new adhesive connecting only two previously determined metals: Metal A and metal B. Let us also assume that there is only one exhisting adhesive, apart from the new one that is being tested. Finally, we might also assume that he has already done bibliographic research to know better about the requirements for adhering metals and the properties of the adhesive material needed to do so. The problem might have been related to the need of getting a better adhesive.
Hypothesis: "the new adhesive works better than existing treatments"Treatment: applying the adhesive to the two metals, sticking them together and seeing how long they stickData collection and analysis: He performs this test on his new adhesive, records the timeResults obtention and reportThe scientist did not perform the experiment with the existing adhesive. The scientist did not compare the performance of the previously existing adhesive to the new one.
The scientist should have performed the experiment with two treatment groups:
Treatment Group one: applying the existing adhesive to the metals A and B, sticking them together and seeing how long they stickTreatment Group two: applying the new adhesive to the metals A and B, sticking them together and seeing how long they stickThe scientist also should have repeated the treatment at least two or three times for each group.
Finally, the scientist should have compared results between the performance of the two adhesives before reporting them.
what is th function of immunoseppressant for organ transplant patient?
Answer:
Stops the new kidney from being rejected.
Explanation:
Your body will attack the new kidney and try to damage or destroy it. The immunosuppressant drugs suppress your body's ability to do this.
What is the name of the structure at the end of the long pointer that allows ions to pass through the cell membrane
In the desert food web shown below, which of the following best describes the transfer of energy between the desert tortoise and coyote?
Society expects scientists to follow ethical practices and meet many
ethical standards. Which is an example of one of those ethical standards?
*
• Use all the data that was truly observed, not partial data that is expected or desired,
skewing results.
• Publish experimental results only if they agree with current theories or public opinion.
If they don't agree then its a waste of time.
• Investigate only the events that affect people's lives or livelihoods since that is the
only way to make money
• Continue the procedure of an experiment or investigation under all circumstances,
even if living things are being harmed in the process
The correct answer is -Use all the data that was truly observed, not partial data that is expected or desired, skewing results.
Explanation:
In general, all practices and research should be guided by moral and ethical principles, which guarantees the research and practices are objective and participants are not harmed. In this context, an example of these principles is "Use all the data that was truly observed..." because it is ethically and morally correct to report the data that was found in the experiment or research and avoid modifying it based on financial interests, expectations, desires, etc. Also, this principle makes the research or practice objective.
what is the poly name of carbohydrates
Answer:
Polysaccharides
Explanation:
Polysaccharides are the most abundant Carbohydrate found in food. They are long chain polymeric carbohydrates composed of monosaccharide units bound together by glycosidic linkages.
Four Students were having a discussion about how scientists do their work. This is what they said... Antoine: "I think scientists just try out different things until something works" Tamara: "I think there is a definite set of steps all scientists follow called the scientific method." Marcos: "I think scientists use different methods depending on their question." Avery: "I thin scientists use different methods but they all involve doing experiments"
Answer:
Please see below
Explanation:
Between all these kids carrying out this discussion, Tamara is the closest to guessing what scientists do. There is indeed a definite set of steps that scientists undertake in order to conduct science experiments. The scientific method is as follows:
observationmeasurementexperimenttesting the hypothesisA wildlife biologist and her team counted 200 individual deer in an area of 10 square kilometers. What is the population density?
Answer:
The population density is 20
Explanation:
200/10=20
A 2 L bottle of soda has a volume of 2000 cm³. What is the volume of the bottle in cubic meters?
Answer:
The answer is
0.002 cubic metersExplanation:
To convert it into m³ we use the following conversion
[tex]1 {cm}^{3} = 1 \times {10}^{ - 6} {m}^{3} [/tex]From the question the value is 2000 cm³
To convert it multiply the value by
1 × 10^- 6m³
That's
[tex]2000 \times 1 \times {10}^{ - 6} {m}^{3} [/tex]We have the final answer as
0.002 cubic metersHope this helps you
Which substance is a compound?
water
gold
oxygen
hydrogen
HURRY PLEASE !!
Answer:
water is is a compound substance
Thinking back to yesterday's reading, what type of ecological relationship is it? What are the bacteria doing for us? How do they avoid being killed off by our immune system? Gut Bacteria Reading
Answer:
The relationship between gut bacteria and we the host is a mutualistic relationship. This is a form of relationship where both we and the bacteria benefit from the bacteria living in our gut.
They help us in our digestion process to break down some food particles into their basic units, some of which we would not be able to do without them. They also help to keep the gut’s surface intact, provide vitamins, and fight off other harmful bacteria.
Bacteria use immunity genes to neutralize toxins and protect themselves against been destroyed by our immune system by copying our immune resistance code, and using this code to make their outer membrane.
3. What is the inside of Earth like?
Which of the following groups includes the protists that reside within the cells of corals?
A. brown algae
B. diatoms
C. dinoflagellates
D. ciliates
Answer:
Pretty sure it's C.
Ciliates are the groups of organisms which include the protists that reside within the cells of corals. Thus, the correct option is D.
What are Ciliates?The ciliates are a group of protists which are characterized by the presence of hair-like organelles called as cilia on their membrane which are identical in structure to the eukaryotic flagella, however these are in general shorter and present in much larger numbers than that of flagella, and also with a different undulating pattern than flagella.
Cilia occur in all members of the group and are variously used in the activities such as swimming, crawling, attachment, feeding, and sensation.
Therefore, the correct option is D.
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(03.03 MC)What happens when a sound wave moves from air to water?
It slows down
It speeds up
It stays the same.
It reverses
Answer:
It slows down
Explanation:
Because water is denser than air the sound waves move through it faster which means that if the sound wave is coming from the water to the air then it will slow down. Also i took the test and got it right.
When a sound wave moves from air to water It slows down.
What is sound wave?Sound is a mechanical wave that travels across a medium by means of the back and forth vibrating of its constituent particles. When a sound wave travels through air from left to right, the energy of the sound wave will cause displacement of air molecules in both the right and left directions.
The direction of the energy flow is parallel (and anti-parallel) to the particle motion. Sound waves in the air are described as longitudinal waves because of this.
Therefore, When a sound wave moves from air to water It slows down.
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D
1 pts
Question 7
Shania wanted to see if eating apples would help her do better on her classwork. The first
day, she didn't eat any apples. On day 2, she ate one apple; on day 3, she ate 2 apples; and
on day 4 she ate 3 apples. Each day she recorded the grades she got on her science work.
What is the independent variable?
the number of apples she ate
O no apples
Ograde she received in science class
Answer:
the number of apples she ate
Explanation:
The independent variable of an experiment is the variable that is manipulated or changed intentionally in order to effect a measurable response in the dependent variable.
In this experiment involving the Shania, where she wanted to test the effect of eating apples on her classwork performance, the independent variable is the NUMBER OF APPLES SHE ATE because that is what changes everyday.